A random sample of 47 electrical engineers is used to estimate the average salary of all electrical engineers. The average salary of the sample is $91,000 with a standard deviation of $50,000. Compute...


A random sample of 47 electrical engineers is used to estimate the average salary of all electrical engineers.<br>The average salary of the sample is $91,000 with a standard deviation of $50,000. Compute a 95%<br>confidence interval for the average salary of all electrical engineers.<br>O ($76,319.45, $105,680.55)<br>O ($80,290.11, $120,800.34)<br>O ($55,281.79, $150,000.01)<br>O ($76,705.49, $105,294.51)<br>

Extracted text: A random sample of 47 electrical engineers is used to estimate the average salary of all electrical engineers. The average salary of the sample is $91,000 with a standard deviation of $50,000. Compute a 95% confidence interval for the average salary of all electrical engineers. O ($76,319.45, $105,680.55) O ($80,290.11, $120,800.34) O ($55,281.79, $150,000.01) O ($76,705.49, $105,294.51)

Jun 03, 2022
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